Vancouver, British Columbia – May 27, 2025

Barranco Gold Mining Corp. (“Barranco” or the “Company”) (CSE: BAR) is pleased to announce the successful completion of its initial exploration program on the Company's 100%-owned King Property. The project is located in south-central British Columbia and consists of nine contiguous claims totaling 3,456 hectares.

The purpose of the program was to conduct systematic geochemical sampling of soils and rocks, as well as geological mapping across three defined grid areas.

Program Highlights:

• 726 soil samples were collected along a GPS-controlled grid network totaling 17.3 km of survey lines.
• 31 rock samples (grab and chip samples) and 3 petrographic samples were collected for laboratory analysis.
• Sampling and fieldwork were conducted by Rio Minerals Ltd.; analyses were carried out by Activation Laboratories Ltd. in Ancaster (Ontario) using aqua regia digestion, ICP-OES, and fire assay (Au).
• Multiple gold-in-soil anomalies were identified, with peak values of up to 860 ppb Au in the Central Grid.
• Rock analyses confirmed significant gold and pathfinder element concentrations:
  • Sample 906575: 1.83 g/t Au, 97 ppm Cu, 131 ppm Zn
  • Sample 440683 (70 cm chip sample): 1.39 g/t Au, 118 ppm Cu
  • Widespread anomalies in copper, zinc, arsenic, antimony, and lead were detected, showing structural alignment along regional lineaments.

Geological Context:

The King Property is underlain by granodioritic intrusions of the Osprey Lake and Pennask batholiths, crosscut by Tertiary intrusions of the Otter Intrusion (quartz-feldspar porphyry). The geochemical signatures and mapped structural trends are consistent with known porphyry and epithermal gold-copper systems in the region. Comparable deposits such as Copper Mountain, Brenda Mine, and Gold Mountain Mine are located within 50 to 100 kilometers of the project.

Next Steps:

The Company is currently reviewing the results to define further exploration targets.
Planned next steps include:

• Expansion of soil grid coverage
• Implementation of Induced Polarization (IP) geophysics
• Detailed mapping of structural features and alteration zones
• Selection of trenching and preliminary drill sites

All collected data will be integrated into a geological 3D model to refine target definition.

About the King Property:

The project is accessible year-round via Highway 97C (Okanagan Connector) and a well-developed network of forestry roads. The topography is moderate, and infrastructure conditions are considered excellent. The claim block is located entirely on Crown Land and is not currently subject to any known First Nations claims.

Contact:

Reno Calabrigo
Chief Executive Officer
info@barrancogold.com
www.barrancogold.com

Technical Information:

The technical content of this news release is based on the National Instrument 43-101 report for the King Property, prepared by an independent Qualified Person as defined by NI 43-101.

The Canadian Securities Exchange has not in any way passed upon the merits of the matters referenced herein and has neither approved nor disapproved the contents of this news release.

Forward-Looking Statement:

This news release may contain statements that constitute “forward-looking information” within the meaning of applicable securities laws, including statements regarding the plans, intentions, beliefs and current expectations of the company with respect to future business activities and operating performance. Forward-looking information is often identified by the words “may”, “would”, “could”, “should”, “will”, “intend”, “plan”, “anticipate”, “believe”, “estimate”, “expect” or similar expressions and includes information regarding, among other things, expectations for other economic, business, and/or competitive factors. Investors are cautioned that forward-looking information is not based on historical facts but instead reflects expectations of the Company's management, estimates or projections concerning future results or events based on the opinions, assumptions and estimates of management considered reasonable at the date the statements are made. Although the Company believes that the expectations reflected in such forward-looking information are reasonable, such information involves risks and uncertainties, and undue reliance should not be placed on such information, as unknown or unpredictable factors could have material adverse effects on future results, performance or achievements of the Company. Among the key factors that could cause actual results to differ materially from those projected in the forward-looking information are the following: changes in general economic, business and political conditions, including changes in the financial markets; changes in applicable laws; and compliance with extensive government regulation. This forward- looking information may be affected by risks and uncertainties in the business of the Company and market conditions. Should one or more of these risks or uncertainties materialize, or should assumptions underlying the forward- looking information prove incorrect, actual results may vary materially from those described herein as intended, planned, anticipated, believed, estimated or expected. Although the Company has attempted to identify important risks, uncertainties and factors which could cause actual results to differ materially, there may be others that cause results not to be as anticipated, estimated or intended. The Company does not intend, and does not assume any obligation, to update this forward-looking information except as otherwise required by applicable law.